<div id="app">
    <?php $hide = false; ?>
    <?php if (!$hide) include __DIR__ . '/../gen/app_header.phtml' ?>
    <div id="content">
        <?php if (!$hide) echo $content ?>
    </div>
    <div id="introduce">
        <?php include __DIR__ . '/introduce.phtml' ?>
    </div>
    <div id="nav-languages">
        <?php if (!$hide) include __DIR__ . '/../gen/app_language.phtml' ?>
    </div>
    <?php if (!$hide) include __DIR__ . '/../gen/app_footer.phtml' ?>

</div>